tests: net: ipv6: Add tests for verifying DAD timers (9038416b) · Commits · Wenxi XU / zephyr

tests/net/ipv6/prj.conf

+2 −2

Original line number	Diff line number	Diff line
		@@ -21,8 +21,8 @@ CONFIG_NET_BUF_TX_COUNT=20
		CONFIG_NET_6LO=y
		CONFIG_NET_6LO_CONTEXT=y
		CONFIG_NET_MAX_ROUTERS=2
		CONFIG_NET_IF_UNICAST_IPV6_ADDR_COUNT=4
		CONFIG_NET_IF_MCAST_IPV6_ADDR_COUNT=5
		CONFIG_NET_IF_UNICAST_IPV6_ADDR_COUNT=7
		CONFIG_NET_IF_MCAST_IPV6_ADDR_COUNT=7
		CONFIG_NET_IF_IPV6_PREFIX_COUNT=3
		CONFIG_SYS_LOG_NET_LEVEL=2
		#CONFIG_NET_DEBUG_IF=y

tests/net/ipv6/src/main.c

+63 −1

Original line number	Diff line number	Diff line
		@@ -116,6 +116,8 @@ static const unsigned char ipv6_hbho[] = {
		};

		static bool expecting_ra;
		static bool expecting_dad;
		static u32_t dad_time[3];
		static bool test_failed;
		static struct k_sem wait_data;

		@@ -229,6 +231,22 @@ static int tester_send(struct net_if iface, struct net_pkt pkt)
		}
		}

		if (icmp->type == NET_ICMPV6_NS) {
		if (expecting_dad) {
		net_pkt_unref(pkt);

		if (dad_time[0] == 0) {
		dad_time[0] = k_uptime_get_32();
		} else if (dad_time[1] == 0) {
		dad_time[1] = k_uptime_get_32();
		} else if (dad_time[2] == 0) {
		dad_time[2] = k_uptime_get_32();
		}

		goto out;
		}
		}

		/* Feed this data back to us */
		if (net_recv_data(iface, pkt) < 0) {
		TC_ERROR("Data receive failed.");
		@@ -980,6 +998,49 @@ static void test_change_ll_addr(void)
		"Wrong link address 2");
		}

		static void test_dad_timeout(void)
		{
		#if defined(CONFIG_NET_IPV6_DAD)
		struct in6_addr addr1 = { { { 0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0x99, 0x1 } } };
		struct in6_addr addr2 = { { { 0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0x99, 0x2 } } };
		struct in6_addr addr3 = { { { 0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0x99, 0x3 } } };
		struct net_if *iface = net_if_get_default();

		struct net_if_addr *ifaddr;

		expecting_dad = true;

		ifaddr = net_if_ipv6_addr_add(iface, &addr1, NET_ADDR_AUTOCONF, 0xffff);
		zassert_not_null(ifaddr, "Address 1 cannot be added");

		k_sleep(K_MSEC(10));

		ifaddr = net_if_ipv6_addr_add(iface, &addr2, NET_ADDR_AUTOCONF, 0xffff);
		zassert_not_null(ifaddr, "Address 2 cannot be added");

		k_sleep(K_MSEC(10));

		ifaddr = net_if_ipv6_addr_add(iface, &addr3, NET_ADDR_AUTOCONF, 0xffff);
		zassert_not_null(ifaddr, "Address 3 cannot be added");

		k_sleep(K_MSEC(200));

		/* We should have received three DAD queries, make sure they are in
		* proper order.
		*/
		zassert_true(dad_time[0] < dad_time[1], "DAD timer 1+2 failure");
		zassert_true(dad_time[1] < dad_time[2], "DAD timer 2+3 failure");
		zassert_true((dad_time[2] - dad_time[0]) < 100,
		"DAD timers took too long time [%u] [%u] [%u]",
		dad_time[0], dad_time[1], dad_time[2]);

		expecting_dad = false;
		#endif
		}

		void test_main(void)
		{
		ztest_test_suite(test_ipv6_fn,
		@@ -997,7 +1058,8 @@ void test_main(void)
		ztest_unit_test(test_hbho_message_2),
		ztest_unit_test(test_hbho_message_3),
		ztest_unit_test(test_change_ll_addr),
		ztest_unit_test(test_prefix_timeout)
		ztest_unit_test(test_prefix_timeout),
		ztest_unit_test(test_dad_timeout)
		);
		ztest_run_test_suite(test_ipv6_fn);
		}

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